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- Identify which concepts are covered on your plant reproduction and growth homework.
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Topics from your homework you'll be able to complete:
- Moss and fern life cycles
- Gymnosperm and angiosperm life cycles
- Asexual plant reproduction
- Seasonal growth cycles
- Plant hormones
1. Alternation of Generations: The Gametophyte and Sporophyte
Even though many plants seem simple, they often have very complex life cycles. We will look at how plants alternate between different life stages as well as the terms used to describe these unique points in their life cycle.
2. A Moss Life Cycle: Dominant Gametophyte
Mosses are unique because they spend most of their lives with only one set of genetic material rather than the normal two sets. We will look at this cycle and how the alternation of generations takes place in these non-vascular plants.
3. A Fern Life Cycle: Plant Reproduction Without Flowers or Seeds
Ferns are able to reproduce without using seeds. We will look at how ferns reproduce as well as the pattern of alternating between diploid and haploid life stages.
4. A Gymnosperm Life Cycle: Reproduction of Plants with 'Naked Seeds'
Some plants, such as pine trees, are able to reproduce with unprotected seeds. We will look at the major structures involved in this form of alternation of generations in gymnosperms.
5. An Angiosperm Life Cycle: Flowering Plant Reproduction
When you think of how plants reproduce, you probably think of flowers. We will look at how flowering plants use specialized reproductive structures to complete an alternation of generations life cycle.
6. Asexual Plant Reproduction: Vegetative Propagation and Bulbs
Not all plants make attractive flowers in order to reproduce. Some plants will not make seeds and pollen either. These plants have other ways to create new offspring. We will look at a few key methods of vegetative propagation.
7. Tropisms: Phototropic, Geotropic and Thigmotropic Plant Growth
Animals aren't the only things that can respond to the environment. While plants may seem inanimate at times, they, too, can respond to the environment in order to better survive.
8. Photoperiodicity: Short-day, Long-day and Day-Neutral Plants
Ever wonder why some plants will bloom in the spring but others in the summer? The length of daylight can influence when a flower will bloom. We will look at how the amount of sunlight regulates when plants produce flowers.
9. Seasonal Growth Cycles: Perennial, Annual and Biennial Plants
We continue to grow and change throughout our entire lives, living through many seasons and years. Plants have different patterns of growth and development regarding seasons, which we will look at in this lesson.
10. Plant Hormones: Chemical Control of Growth and Reproduction
We most often think of hormones as things that control our actions and development. However, even plants have these chemicals to help regulate growth and reproduction.
11. Endosperm: Definition, Function & Development
Of all the times you've eaten popcorn, how many times have you actually stopped to think about what you're eating? Popcorn is a seed in which the center of the endosperm has been turned inside out. Learn more about endosperms in this lesson.
12. Flowering Plants: Life Cycle & Examples
You likely know that a flower is the reproductive part of a flowering plant (or angiosperm). Did you know that a flower can be male, or female, or both? Or that an angiosperm can reproduce sexually or asexually? This lesson covers the angiosperm life cycle.
13. Male Gamete in Plants: Definition & Concept
Since plants can't move, they rely on pollen grains - transported by animals or the environment - for fertilization. The inside of this pollen grain - the male gamete - is the focus of this lesson.
14. Pollen Tube: Growth, Function & Formation
During the fertilization process, some plants utilize a pollen tube. In this lesson, we'll explore how a pollen tube forms, how it functions and how it grows.
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